[  479.892086] netdevsim netdevsim424 eni424np1: renamed from eth0
[  479.892668] netdevsim netdevsim747 eni747np1: renamed from eth1
[  479.982145] Could not find device with ifindex 2000 in netnsfd 11
[  479.982278] Could not find netns with fd: 2000
[  479.982336] Cannot link a netdevsim to itself
[  479.982406] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).